Satoshi Osafune, Shinya Kouketsu, Toshimasa Doi, Nozomi Sugiura, Shuhei Masuda. A global ocean state estimation using tidally induced vertical-mixing schemes. OCEAN MODELLING, 2022, 179, doi: 10.1016/j.ocemod.2022.102111
Motoki Nagura and Satoshi Osafune. Second Baroclinic Mode Rossby Waves in the South Indian Ocean. JOURNAL OF PHYSICAL OCEANOGRAPHY, 2022, 52, 8, p. 1749-1773, doi: 10.1175/JPO-D-21-0290.1
Ryuichiro Inoue and Satoshi Osafune. Near-Field Wind Mixing and Implications on Parameterization from Float Observations. JOURNAL OF PHYSICAL OCEANOGRAPHY, 2021, 51, 7, p. 2389-2405, doi: 10.1175/JPO-D-20-0281.1
Satoshi Osafune, Nozomi Sugiura, Toshimasa Doi, Tadashi Hemmi, Shuhei Masuda. The use of tidally induced vertical-mixing schemes in simulating the Pacific deep-ocean state. JOURNAL OF OCEANOGRAPHY, 2021, doi: 10.1007/s10872-021-00591-9
Shuhei Masuda and Satoshi Osafune. Ocean State Estimations for Synthesis of Ocean-Mixing Observations. JOURNAL OF OCEANOGRAPHY, 2021, doi: 10.1007/s10872-020-00587-x
Nozomi Sugiura, Shinya Kouketsu, Shuhei Masuda, Satoshi Osafune, and Ichiro Yasuda. Estimating the population mean for a vertical profile of energy dissipation rate. Scientific Reports, 2020, 10, doi: 10.1038/s41598-020-77414-2
Shinya Kouketsu, Daisuke Sasano, Satoshi Osafune, Michio Aoyama. Relationships Among Decadal Changes in Nitrate and Salinity in the Eastern and Western North Pacific Ocean After 2000. JOURNAL OF GEOPHYSICAL RESEARCH - Oceans, 2020, 125, 8, doi: 10.1029/2019JC015916
Nakajima R, Tsuchiya M, Yabuki A, Masuda S, Kitahashi T, Nagano Y, IKuta T, Isobe N, Nakata H, Ritchie H, Oguri K, Osafune S, Kawamura K, Suzukawa M, Yamauchi T, Iijima K, Yoshida T, Chiba S, Fujikura K. Massive occurrence of benthic plastic debris at the abyssal seafloor beneath the Kuroshio Extension, the North West Pacific. MARINE POLLUTION BULLETIN, 2020, 166, p. 112188-112188, doi: 10.1016/j.marpolbul.2021.112188
Satoshi Osafune, Shinya Kouketsu, Shuhei Masuda, Nozomi Sugiura. Dynamical ocean response controlling the eastward movement of a heat content anomaly caused by the 18.6-year modulation of localized tidally-induced mixing. JOURNAL OF GEOPHYSICAL RESEARCH - Oceans, 2020, 125, 2, doi: 10.1029/2019JC015513
Shuhei Masuda, Satoshi Osafune, Tadashi Hemmi. Deep-float salinity data synthesis for deep ocean state estimation: Method and impact. Progress in Earth and Planetary Science, 2018, 5, doi: 10.1186/s40645-018-0247-9
Kawai, Yoshimi, Satoshi Osafune, Shuhei Masuda, and Yoshiki Komuro. Relations between salinity in the northwestern Bering Sea, the Bering Strait throughflow and sea surface height in the Arctic Ocean. JOURNAL OF OCEANOGRAPHY, 2018, 74, 3, p. 239-261, doi: 10.1007/s10872-017-0453-x
建部洋晶, 長船哲史. 総説:太平洋数十年規模気候変動と海洋潮汐18.6 年周期変動との関連性. 海の研究, 2018, 27, 1, p. 3-18
Ryuichiro Inoue, Michio Watanabe, Satoshi Osafune. Wind-Induced Mixing in the North Pacific. JOURNAL OF PHYSICAL OCEANOGRAPHY, 2017, 47, p. 1587-1603, doi: 10.1175/JPO-D-16-0218.1
Shinya Kouketsu, Satoshi Osafune, Yuichiro Kumamoto, Hiroshi Uchida. Eastward salinity anomaly propagation in the intermediate layer of the North Pacific. JOURNAL OF GEOPHYSICAL RESEARCH - Oceans, 2017, doi: 10.1002/2016JC012118
Toshimasa Doi, Satoshi Osafune, Nozomi Sugiura, Shinya Kouketsu, Akihiko Murata, Shuhei Masuda, and Takahiro Toyoda. Multi-decadal change in the dissolved inorganic carbon in a long-term ocean state estimation. Journal of Advances in Modeling Earth Systems, 2015, 7, 4, p. 1885-1900, doi: 10.1002/2015MS000462
S. Osafune, S. Masuda, N. Sugiura, T. Doi. Evaluation of the applicability of the Estimated State of Global Ocean for Climate Research (ESTOC) dataset. Geophysical Research Letters, 2015, 42, 12, p. 4903-4911
S. Osafune, S. Masuda and N. Sugiura. Role of the oceanic bridge in linking the 18.6-year modulation of tidal mixing and long-term SST change in the North Pacific. Geophysical Research Letters, 2014, 41, 20, p. 7284-7290, doi: 10.1002/2014GL061737
長船哲史、安田一郎. 潮汐18.6年周期変動・黒潮流路変動と関連する日本南岸域の栄養塩変動. 沿岸海洋研究, 2014, 52, 1, p. 67-73
Shuhei Masuda, Nozomi Sugiura, Satoshi Osafune, Toshimasa Doi. Improvement of ocean state estimation by assimilating mapped Argo drift data. The Scientific World Journal, 2014, 2014, p. 1-6, doi: 10.1155/2014/975618
Sachihiko Itoh; Yuki Tanaka; Satoshi Osafune; Ichiro Yasuda; Masahiro Yagi; Hitoshi Kaneko; Shunsuke Konda; Jun Nishioka; Volkov N Yuri. Direct breaking of large-amplitude internal waves in the Urup Strait. Progress in Oceanography, 2014, 126, p. 109-120
Yuki Tanaka; Ichiro Yasuda ; Satoshi Osafune; Takahiro Tanaka; Jun Nishioka; Yuri N Volkov. Internal tides and turbulent mixing observed in the Bussol Strait. Progress in Oceanography, 2014, 126, p. 98-108
Satoshi Osafune and Ichiro Yasuda. Remote impacts of the 18.6-year period modulation of localized tidal mixing in the North Pacific. Journal of Geophysical Research, 2013, 118, 6, p. 3128-3137
Effects of the 18.6-year modulation of tidal mixing on the North Pacific bidecadal variability in a coupled climate model. Journal of Climate, 2012, 25, p. 7625-7642
査読無し(JAMSTECでの成果)
田中祐希・安田一郎・羽角博康・建部洋晶・長船哲史. 汐混合の18.6年周期 変動が北太平洋20年規模気候変動に及ぼす影響: 大気海洋結合モデルを用いた数値実験. 月刊海洋, 2012, 44, p. 452-459
伊藤幸彦. ウルップ海峡の乱流強度と水塊形成への影響. 月刊海洋/海洋出版株式会社, 2012, 44, 8, p. 432-440
長船 哲史(RIGC海洋環境変動P海洋データ同化T). 北東部千島列島海域における水塊・流速観測. 月刊海洋/海洋出版株式会社, 2012, 44, 7, p. 392-402
口頭発表・招待講演(JAMSTECでの成果)
Satoshi Osafune. The 18.6 year modulation of localized tidal mixing as a possible cause of bidecadal variability in the North Pacific. Ecosystem Studies of Sub-Arctic Seas (ESSAS), 2016
長船哲史、増田周平、杉浦望実、土居知将. ロシアデータによる海洋データ同化精度向上の可能性. Synthesis of future research expedition and modeling study in the Sea of Okhotsk -Collaborative program between Russia and Japan-, 2013
Satoshi Osafune. Possible oceanic signals of the 18.6-year period modulation of tide-induced vertical mixing. JpGU-AGU Joint Meeting 2017, 2017
Shuhei Masuda, Satoshi Osafune, Tadashi Hemmi. Pacific Ocean state estimation and clarification of mechanism of ocean circulation by data synthesis of global observations. 2017 International Symposium “Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem”, 2017
Shuhei Masuda, Satoshi Osafune, Nozomi Sugiura, Toshimasa Doi. Ocean heat content and sea level changes from an improved ocean state estimation. Asia Oceania Geosciences Society (AOGS) 2016, 2016
Shuhei MASUDA, Satoshi Osafune, Nozomi Sugiura, Shigeki Hosoda, Taiyo Kobayashi, Toshio Suga. Toward an Optimal Design of Deep Profiling Float Network. Deep Argo workshop, 2015
Shuhei Masuda, Satoshi Osafune, Nozomi Sugiura, Shigeki Hosoda, Taiyo Kobayashi, Toshio Suga. Toward an Optimal Design of Deep Profiling Float Network. 2nd GODAE OceanView OSEval-TT Workshop & E-AIMS meeting, 2014
Shuhei Masuda, Toshimasa. Doi, S. Osafune, N. Sugiura, Y. Ishikawa, K. Fukuda. Estimated State of Ocean for Climate Research by Using a 4 Dimensional Variatinal approach. 日本地球惑星科学連合2014年大会, 2014
Ichiro Yasuda, Yuki Tanaka, Sachihiko Itoh, Hiroyasu Hasumi, Satoshi Osafune. OBSERVATION AND MODELING OF TURBULENT TIDAL MIXING IN THE KURIL STRAITS AND IMPACT OF ITS 18.6-YEAR PERIOD TIDAL CYCLE ON OCEAN AND CLIMATE. Ocean Science Meeting, 2014
Masuda, S., T. Doi, S. Osafune, and N. Sugiura. IMPROVED OCEAN STATE ESTIMATION BY USING A 4 DIMENSIONAL VARIATIONAL APPROACH. The 2014 Ocean Sciences Meeting, 2014
伊藤幸彦、田中祐希、長船哲史、安田一郎、八木雅宏、金子仁、近田俊輔、西岡純、Yuri N. Volkov. ウルップ海峡における大振幅内部波の砕波. 2013年度日本海洋学会秋季大会, 2013
Yasuda, I.; Tanaka, Y.; Itoh, S.; Hasumi, H.; Osafune, S.; Tanaka, T.; Yagi, M.; Tatebe, H.. Observation and modelling of turbulent mixing in the Kuril Straits and impact of its 18.6-year period tidal cycle on ocean and climate. the IAHS - IAPSO - IASPEI Joint Assembly, 2013
Osafune, S. ; Masuda, S. ; Sugiura, N.. Assessing impact of the 18.6-year period nodal tidal cycle on PDO using a 4D-VAR data assimilation system. the IAHS - IAPSO - IASPEI Joint Assembly, 2013
Tanaka, Y., I. Yasuda, S. Osafune, T. Tanaka, J. Nishioka, and Y. N. Volkov. Internal Tides and Turbulent Mixing Observed in the Bussol Strait. Asia Oceania Geosciences Society 10th Annual Meeting, 2013
井上 龍一郎, 渡辺 路生, 長船 哲史, クンゼ エリック, リエン レンチー, 田中 雄大, 伊藤 進一. Variability of wind-induced mixing in the western North Pacific inferred from Argo floats and turbulence measurements under storms by micro-EM-APEX floats. International Symposium “Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem”, 2017
Satoshi Osafune, Shuhei Masuda, Nozomi Sugiura, Toshimasa Doi, Tadashi Hemmi. On-going development of a global ocean state estimation system using tidal mixing parameterizations. International Symposium “Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem”, 2017
KAWAI YOSHIMI(Research and Development (R&D) Center for Global Change (RCGC)) , OSAFUNE SATOSHI(Research and Development (R&D) Center for Global Change (RCGC)) , MASUDA SHUHEI(Research and Development (R&D) Center for Global Change (RCGC)) , KOMURO YOSHIKI(Institute of Arctic Climate and Environment Research (IACE)). Relationship between the Bering Strait throughflow and salinity in the Bering Sea in an atmosphere-ocean-ice coupled model. 2016 AGU Fall Meeting, 2016
Satoshi Osafune, Shuhei Masuda, Nozomi Sugiura, Toshimasa Doi. Subsurface structure of the Pacific Decadal Oscillation and its relation to the mode waters. Ocean Science Meeting 2016, 2016
Sachihiko Itoh, Yuki Tanaka, Satoshi Osafune, Ichiro Yasuda, Masahiro Yagi. DIRECT BREAKING OF LARGE-AMPLITUDE INTERNAL WAVES IN THE URUP STRAIT, KURIL ISLANDS. Ocean Science Meeting, 2014